<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		p{
			color: pink;
		}
		.class{
			color: pink;
		}
		#id{
			color: pink;
		}
	</style>
</head>
<body>
	<p>元素选择器</p>
	<p class="class">类选择器</p>
	<p id="id">ID选择器</p>

</body>
</html>